std::log10

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Defined in header <cmath>

float       log10( float arg );

double      log10( double arg );

long double log10( long double arg );

Computes the common (base 10) logarithm of arg.

Parameters

arg - floating point value

Return value

base 10 logarithm of arg.

Domain error occurs if arg is negative. ​NAN​ is returned in that case.

Range error occurs if arg is 0. -HUGE_VAL is returned in that case.

See also

log
natural logarithm (to base e)
(function)
pow
returns the given number raised to the given power
(function)
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